American Astronomical Society
Encyclopedia
The American Astronomical Society (AAS, sometimes spoken as "double-A-S") is an American
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 society of professional astronomer
Astronomer
An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...

s and other interested individuals, headquartered in Washington, DC. The primary objective of the AAS is to promote the advancement of astronomy and closely related branches of science, while the secondary purpose includes enhancing astronomy education and providing a political voice for its members through lobbying and grassroots activities.

History

The society was founded in 1899 through the efforts of George Ellery Hale
George Ellery Hale
George Ellery Hale was an American solar astronomer.-Biography:Hale was born in Chicago, Illinois. He was educated at MIT, at the Observatory of Harvard College, , and at Berlin . As an undergraduate at MIT, he is known for inventing the spectroheliograph, with which he made his discovery of...

. The constitution of the group was written by Hale, George Comstock
George Comstock
George Cary Comstock was an American astronomer and educator.He was born in Madison, Wisconsin, the eldest child of Charles Henry Comstock and Mercy Bronson. In 1877 he was awarded a Ph.D. from the University of Michigan, after studying mathematics and astronomy. For a couple of years he worked...

, Edward Morley
Edward Morley
Edward Williams Morley was an American scientist famous for the Michelson–Morley experiment.-Biography:...

, Simon Newcomb
Simon Newcomb
Simon Newcomb was a Canadian-American astronomer and mathematician. Though he had little conventional schooling, he made important contributions to timekeeping as well as writing on economics and statistics and authoring a science fiction novel.-Early life:Simon Newcomb was born in the town of...

 and Edward Charles Pickering
Edward Charles Pickering
Edward Charles Pickering was an American astronomer and physicist, brother of William Henry Pickering.Along with Carl Vogel, Pickering discovered the first spectroscopic binary stars. He wrote Elements of Physical Manipulations .Pickering attended Boston Latin School, and received his B.S. from...

. These men plus four others were the first Executive Council of the society, Newcomb was the first president. The initial membership was 114. The AAS name of the society was not finally decided until 1915, previously it was the "Astronomical and Astrophysical Society of America". One proposed name that preceded this interim name was "American Astrophysical Society".

The AAS today has over 7,000 members and five divisions - the Division for Planetary Sciences
Division for Planetary Sciences
The Division for Planetary Sciences is a division within the American Astronomical Society devoted to solar system research. It was founded in 1968. The first organizing committee members were: Edward Anders, L. Branscomb, J. W. Chamberlain, R. Goody, J. S. Hall, A. Kliore, M. B. Elroy, Tobias...

 (1968), the Division on Dynamical Astronomy
Division on Dynamical Astronomy
The Division on Dynamical Astronomy is a branch of the American Astronomical Society that focuses on the advancement of all aspects of dynamical astronomy, including celestial mechanics, solar system dynamics, stellar dynamics, as well as the dynamics of the interstellar medium and galactic...

 (1969), the High Energy Astrophysics Division (1969), the Solar Physics Division
Solar Physics Division
The Solar Physics Division of the American Astronomical Society , often referred to as simply the "Solar Physics Division" , is the primary trade organization of solar physicists in the U.S. It exists for the advancement of the study of the Sun and to coordinate of such research with other branches...

 (1969) and the Historical Astronomy Division (1980). The membership includes physicists, mathematicians, geologists, engineers and others whose research interests lie within the broad spectrum of subjects now comprising contemporary astronomy.

Divisions

Because the field of astronomy is diverse, several divisions have been formed each of which promotes and enables a different branch of astronomy or astronomy-related science as well as working within the overall charter of the AAS. Many of the divisions hold separate meetings in addition to meeting with the main group. The divisions of the AAS, together with their main research interests, are:
  • The Division for Planetary Sciences
    Division for Planetary Sciences
    The Division for Planetary Sciences is a division within the American Astronomical Society devoted to solar system research. It was founded in 1968. The first organizing committee members were: Edward Anders, L. Branscomb, J. W. Chamberlain, R. Goody, J. S. Hall, A. Kliore, M. B. Elroy, Tobias...

     (DPS) supports planetology and exploration of the solar system
    Solar System
    The Solar System consists of the Sun and the astronomical objects gravitationally bound in orbit around it, all of which formed from the collapse of a giant molecular cloud approximately 4.6 billion years ago. The vast majority of the system's mass is in the Sun...

    .

  • The Division on Dynamical Astronomy
    Division on Dynamical Astronomy
    The Division on Dynamical Astronomy is a branch of the American Astronomical Society that focuses on the advancement of all aspects of dynamical astronomy, including celestial mechanics, solar system dynamics, stellar dynamics, as well as the dynamics of the interstellar medium and galactic...

     (DDA) supports research on the dynamics
    Dynamics (mechanics)
    In the field of physics, the study of the causes of motion and changes in motion is dynamics. In other words the study of forces and why objects are in motion. Dynamics includes the study of the effect of torques on motion...

     (orbits, evolution, and history) of astronomical systems from the solar system
    Solar System
    The Solar System consists of the Sun and the astronomical objects gravitationally bound in orbit around it, all of which formed from the collapse of a giant molecular cloud approximately 4.6 billion years ago. The vast majority of the system's mass is in the Sun...

     to superclusters of galaxies on cosmological
    Physical cosmology
    Physical cosmology, as a branch of astronomy, is the study of the largest-scale structures and dynamics of the universe and is concerned with fundamental questions about its formation and evolution. For most of human history, it was a branch of metaphysics and religion...

     scales.

  • The High Energy Astrophysics Division (HEAD) supports knowledge about high energy events, particles
    Subatomic particle
    In physics or chemistry, subatomic particles are the smaller particles composing nucleons and atoms. There are two types of subatomic particles: elementary particles, which are not made of other particles, and composite particles...

    , quanta
    Quantum
    In physics, a quantum is the minimum amount of any physical entity involved in an interaction. Behind this, one finds the fundamental notion that a physical property may be "quantized," referred to as "the hypothesis of quantization". This means that the magnitude can take on only certain discrete...

    , relativistic
    General relativity
    General relativity or the general theory of relativity is the geometric theory of gravitation published by Albert Einstein in 1916. It is the current description of gravitation in modern physics...

     gravitational field
    Gravitational field
    The gravitational field is a model used in physics to explain the existence of gravity. In its original concept, gravity was a force between point masses...

    s, and related phenomena in the astrophysical universe.

  • The Historical Astronomy Division (HAD) supports topics relevant to the history of astronomy as a field, and research using historical astronomical records to solve current problems in astronomy.

  • The Solar Physics Division
    Solar Physics Division
    The Solar Physics Division of the American Astronomical Society , often referred to as simply the "Solar Physics Division" , is the primary trade organization of solar physicists in the U.S. It exists for the advancement of the study of the Sun and to coordinate of such research with other branches...

     (SPD) supports solar physics
    Solar physics
    For the physics journal, see Solar Physics Solar physics is the study of our Sun. It is a branch of astrophysics that specializes in exploiting and explaining the detailed measurements that are possible only for our closest star...

     (astrophysical
    Astrophysics
    Astrophysics is the branch of astronomy that deals with the physics of the universe, including the physical properties of celestial objects, as well as their interactions and behavior...

     research on the Sun
    Sun
    The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists of hot plasma interwoven with magnetic fields...

    ), and its interactions with the Solar system
    Solar System
    The Solar System consists of the Sun and the astronomical objects gravitationally bound in orbit around it, all of which formed from the collapse of a giant molecular cloud approximately 4.6 billion years ago. The vast majority of the system's mass is in the Sun...

     and Earth
    Earth
    Earth is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets...

    .

Publications

  • Astronomical Journal
    Astronomical Journal
    The Astronomical Journal is a peer-reviewed monthly scientific journal owned by the American Astronomical Society and currently published by Institute of Physics Publishing. It is one of the premier journals for astronomy in the world...

  • Astronomy Education Review
  • The Astrophysical Journal
  • Bulletin of the American Astronomical Society
    Bulletin of the American Astronomical Society
    Bulletin of the American Astronomical Society is the journal of record for the American Astronomical Society established in 1969. It publishes meetings of the society, obituaries of its members, and scholarly articles...


Prizes

  • The Henry Norris Russell Lectureship
    Henry Norris Russell Lectureship
    The Henry Norris Russell Lectureship is awarded each year by the American Astronomical Society in recognition of a lifetime of excellence in astronomical research.-Previous lecturers:This list of lecturers is from the American Astronomical Society's website....

    , for lifetime achievement in astronomy
  • The Newton Lacy Pierce Prize in Astronomy
    Newton Lacy Pierce Prize in Astronomy
    The Newton Lacy Pierce Prize in Astronomy is awarded annually by the American Astronomical Society to a young astronomer for outstanding achievement in observational astronomical research.Pierce Prize winners:* 1974 Edwin M. Kellogg...

    , for outstanding early career in observational astronomy
  • The Helen B. Warner Prize for Astronomy
    Helen B. Warner Prize for Astronomy
    The Helen B. Warner Prize for Astronomy is awarded annually by the American Astronomical Society to a young astronomer for a significant contribution to observational or theoretical astronomy....

    , for outstanding early career in theoretical astronomy
  • The Beatrice M. Tinsley Prize
    Beatrice M. Tinsley Prize
    The Beatrice M. Tinsley Prize is awarded every other year by the American Astronomical Society in recognition of an outstanding research contribution to astronomy or astrophysics of an exceptionally creative or innovative character...

    , for a creative or innovating contribution to astronomy
  • The Joseph Weber Award
    Joseph Weber Award for Astronomical Instrumentation
    The Joseph Weber Award for Astronomical Instrumentation is awarded by the American Astronomical Society to an individual for the design, invention or significant improvement of instrumentation leading to advances in astronomy. It is named after physicist Joseph Weber...

    , for a significant advance in astronomical instrumentation
  • The Dannie Heineman Prize for Astrophysics
    Dannie Heineman Prize for Astrophysics
    The Dannie Heineman Prize for Astrophysics is jointly awarded each year by the American Astronomical Society and American Institute of Physics for outstanding work in astrophysics. It is funded by the Heineman Foundation in honour of Dannie Heineman....

     (joint award with the American Institute of Physics
    American Institute of Physics
    The American Institute of Physics promotes science, the profession of physics, publishes physics journals, and produces publications for scientific and engineering societies. The AIP is made up of various member societies...

    ), for outstanding work in astrophysics
  • The George Van Biesbroeck Prize
    George Van Biesbroeck Prize
    The George Van Biesbroeck Prize is an award for long-term achievements in the field of astronomy. According to the American Astronomical Society awards website; "The Van Biesbroeck prize is normally awarded every two years and honors a living individual for long-term extraordinary or unselfish...

    , for outstanding service to astronomy
  • The Annie J. Cannon Award in Astronomy
    Annie J. Cannon Award in Astronomy
    The Annie Jump Cannon Award in Astronomy is awarded annually by the American Astronomical Society to a woman resident of North America, who is within five years of receipt of a Ph.D., for distinguished contributions to astronomy or for similar contributions in related sciences which have immediate...

     (awarded in concert with the American Association of University Women
    American Association of University Women
    The American Association of University Women advances equity for women and girls through advocacy, education, and research. It was founded in 1882 by Ellen Swallow Richards and Marion Talbot...

    ), for outstanding early career by a female astronomer
  • the Chambliss Astronomical Writing Award for astronomy writing for an academic audience
  • The Chambliss Astronomy Achievement Student Award for exemplary research by undergraduate and graduate students
  • The Chambliss Amateur Achievement Award
    Chambliss Amateur Achievement Award
    The Chambliss Amateur Achievement Award is awarded by the American Astronomical Society for an achievement in astronomical research made by an amateur astronomer resident in North America. The prize is named after Carlson R. Chambliss of Kutztown University, who donated the funds to support the prize...

     for exemplary research by an amateur astronomer
  • The AAS Education Prize for outstanding contributions to astronomy education (formerly called the Annenberg Foundation Award)


Similar prizes are awarded by AAS divisions. These include:
  • The Gerard P. Kuiper Prize
    Gerard P. Kuiper Prize
    The Gerard P. Kuiper Prize is awarded annually by the Division for Planetary Sciences of the American Astronomical Society for outstanding lifetime achievement in the field of planetary science. The prize is named for Gerard P. Kuiper.Kuiper Prize winners:...

     (DPS), for lifetime achievement in planetary science
  • The Harold C. Urey Prize (DPS), for outstanding early career in planetary science
  • The Harold Masursky Meritorious Service Award
    Masursky Award
    The Harold Masursky Award for Meritorious Service to Planetary Science, usually called the Masursky Award, is awarded annually by the Division for Planetary Sciences of the American Astronomical Society...

     (DPS), for outstanding service to planetary science
  • The Dirk Brouwer Award (DDA), for lifetime achievement in dynamical astronomy
  • The Bruno Rossi Prize
    Bruno Rossi Prize
    The Bruno Rossi Prize is awarded annually by the High Energy Astrophysics division of the American Astronomical Society "for a significant contribution to High Energy Astrophysics, with particular emphasis on recent, original work". Named after astrophysicist Bruno Rossi, the prize is awarded with...

     (HEAD), for a significant recent contribution to high-energy astrophysics
  • The LeRoy E. Doggett Prize (HAD), for work in the history of astronomy
  • The George Ellery Hale Prize
    George Ellery Hale Prize
    The George Ellery Hale Prize, or Hale Prize, is awarded annually by the Solar Physics Division of the American Astronomical Society for outstanding contributions over an extended period of time to the field of solar astronomy. The prize is named in memory of George Ellery Hale.Past winners of the...

     (SPD), for lifetime achievement in solar astronomy
  • The Karen Harvey Prize (SPD), for outstanding early career in solar astronomy


The AAS also manages a Small Research Grant Award program and an International Travel Grant program, which any astronomer working in the US may apply to for funding opportunities.
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